ATTINY4313-MU Atmel, ATTINY4313-MU Datasheet - Page 66

• Manufacturer Part Number: ATTINY4313-MU
• Description: IC MCU AVR 4K FLASH 20QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY4313-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Processor Series: ATtiny
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI, USART, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 2
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

10.2.3
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ATtiny2313A/4313
Alternate Functions of Port D
The Port D pins with alternate functions are shown in
Table 10-8.
• Port D, Bit 0 – RXD/PCINT11
• Port D, Bit 1 – TXD/PCINT12
• Port D, Bit 2 – INT0/XCK/CKOUT/PCINT13
• Port D, Bit 3 – INT1/PCINT14
• RXD: UART Data Receiver.
• PCINT11: Pin Change Interrupt Source 11. The PD0 pin can serve as an external interrupt
• TXD: UART Data Transmitter.
• PCINT12: Pin Change Interrupt Source 12. The PD1 pin can serve as an external interrupt
• INT0: External Interrupt Source 0. The PD2 pin can serve as en external interrupt source to
• XCK: USART Transfer Clock used only by Synchronous Transfer mode.
• CKOUT: System Clock Output.
• PCINT13: Pin Change Interrupt Source 13. The PD2 pin can serve as an external interrupt
• INT1: External Interrupt Source 1. The PD3 pin can serve as an external interrupt source to
• PCINT14: Pin Change Interrupt Source 14. The PD3 pin can serve as an external interrupt
source for pin change interrupt 2.
source for pin change interrupt 2.
the MCU.
source for pin change interrupt 2.
the MCU.
source for pin change interrupt 2.
Port Pin
PD0
PD1
PD2
PD3
PD5
PD6
PD4
Port D Pins Alternate Functions
Alternate Function
RXD:
PCINT11:Pin Change Interrupt 2, Source 11
TXD:
PCINT12:Pin Change Interrupt 2, Source 12
INT0:
XCK:
CKOUT: System Clock Output
PCINT13:Pin Change Interrupt 2, Source 13
INT1:
PCINT14:Pin Change Interrupt 2, Source 14
T0:
PCINT15:Pin Change Interrupt 2, Source 15
OC0B: Timer/Counter0 Compare Match B output
T1:
PCINT16:Pin Change Interrupt 2, Source 16
ICPI:
PCINT17:Pin Change Interrupt 2, Source 17
Timer/Counter1 Input Capture Pin
UART Data Receiver
UART Data Transmitter
External Interrupt 0 Input
USART Transfer Clock
External Interrupt 1 Input
Timer/Counter0 Clock Source
Timer/Counter1 Clock Source
Table
10-8..
8246A–AVR–11/09